No, they are not; I'd say whining on the court is pretty even across the board (with a couple individuals I can think of being worse than all others put together, neither of whom is a Spur or Mav). The difference is the Spurs leave it on the court; there are teams (and dallas is one of them, whether you admit it or not, whether you like it or not, it has been do ented) that are head and shoulders above the average with their whining to the media. And the sad thing is (witness the past three games), IT WORKS.
That is what sucks. When it works for you (the Mavs

) like that, crying like a baby girl

to the media...there's no reason to do much of it on the court.